from glob import glob
from os.path import dirname, join as pjoin

from delocate.tools import (get_install_id,
                            set_install_id,
                            get_install_names,
                            set_install_name)


def process_dylib(dylib_path):
    iid = get_install_id(dylib_path)
    bad_start = '@executable_path/../lib/'
    n_bad = len(bad_start)
    if iid.startswith(bad_start):
        set_install_id(dylib_path, iid[n_bad:])
    for install_name in get_install_names(dylib_path):
        if install_name.startswith(bad_start):
            new_name = '@loader_path/' + install_name[n_bad:]
            set_install_name(dylib_path, install_name, new_name)


def get_dylibs():
    import savReaderWriter
    base = dirname(savReaderWriter.__file__)
    globber = pjoin(base, 'spssio', 'macos', '*.dylib')
    return glob(globber)



def main():
    for dylib in get_dylibs():
        print('Processing', dylib)
        process_dylib(dylib)


if __name__ == '__main__':
    main()